CN207625410U - A kind of more rail magnetos - Google Patents

Abstract

A kind of more rail magnetos, belong to technical field of motors.It is characterized in that：Rotor is close to stator（4）Side be provided with multiple mounting holes, permanent magnet（7）It is embedded in the mounting hole of mounting disc, even number of permanent magnets（7）Annular array and uniformly at intervals, adjacent permanent magnet（7）Polarity be reversed；Stator（4）On be provided with multiple coils, multiple coils loops arrangements and uniformly at intervals, stator（4）Permanent magnet in the quantity of coil and the rotor coordinated with it（7）Quantity it is equal.This more rail magneto takes full advantage of the excitation field of permanent magnet, and rotor is made of permeability magnetic material, avoids the generation of leakage field phenomenon, improve the energy transformation ratio of motor, motor it is efficient, rotor is rotated with permanent-magnet synchronous, avoids the generation of cutting magnetic induction line phenomenon.

Description

A kind of more rail magnetos

Technical field

A kind of more rail magnetos, belong to technical field of motors.

Background technology

Motor refers to a kind of calutron realized electric energy conversion according to the law of electromagnetic induction or transmitted, its main function It is to generate driving torque, as electrical appliance or the power source of various machineries.Magneto is to generate excitation field using permanent magnet A kind of motor, do not need outside energy after magneto support and can maintain its magnetic field, existing magneto is due to permanent magnetism The setting of body is unable to fully the magnetic field using permanent magnetism so as to cause it, causes the energy of existing magneto that cannot obtain fully Conversion, therefore existing magneto can be used only in low power occasion.

Invention content

The technical problems to be solved in the utility model is：Overcome the deficiencies of the prior art and provide a kind of excitation field utilization More rail magnetos that rate is high, energy transformation ratio is high.

Technical solution adopted by the utility model to solve its technical problems is：More rail magnetos, it is characterised in that：Packet Multiple rotors and multiple stators are included, there are one rotors for at least side setting of each stator, and multiple rotors are connected and keep same Step rotation, rotor are connected with phase detecting module；

Rotor is made of permeability magnetic material, and even number of permanent magnets is equipped on rotor, and rotor is provided with close to the side of stator Multiple mounting holes, mounting hole are to be embedded in mounting hole with rotor shaft blind hole disposed in parallel, permanent magnet, even number of permanent magnets Annular array and uniformly at intervals, the polarity of adjacent permanent magnet is reversed；

Multiple coils are provided on stator, the center line of each coil is arranged in parallel with the shaft of rotor, multiple coils Annular array and uniformly at intervals, annular coaxial setting formed by the permanent magnet in annular and the rotor coordinated with it formed by coil And diameter is equal, the quantity of stator coil and equal with the quantity of the permanent magnet on the rotor that it coordinates；

At least there are two the center lines of the adjacent coil on stator to intersect with plane determined by rotor shaft, or extremely Few permanent magnet there are two on the matched rotor of stator is staggered.

Preferably, the quantity of the permanent magnet on multiple rotors is equal, the coil on multiple stators Equal quantity is equal.

Preferably, there are two the stators, and the coil of a stator center line be arranged on another stator with The middle part of its two adjacent coil, and permanent magnet coaxial arrangement opposite on multiple rotors.

Preferably, the stator includes spaced two insulating discs, is arranged at intervals on each insulating disc more A axial insulating disc mounting hole, the coaxial arrangement of opposite insulating disc mounting hole, insulating disc mounting hole and line on two insulating discs Circle corresponds, and the both ends of coil are separately mounted in the insulating disc mounting hole of two insulating discs.

Preferably, the coil is air core coil.

Preferably, the permanent magnet be with rotor shaft it is disposed in parallel cylindric or with center line and rotor shaft it is flat Capable fan-shaped cylinder.

Preferably, the phase detecting module includes code-disc and photoelectric sensor, and code-disc is connected and keeps with rotor It rotates synchronously, optoelectronic switch setting is in code-disc side, and optoelectronic switch is corresponded with stator.

Preferably, the stator both sides are symmetrical arranged there are one rotor, in the adjacent rotor of stator both sides forever Magnet corresponds, two opposite permanent magnets coaxial arrangement on two rotors, two opposite permanent magnets on two rotors Polarity is reversed.

Preferably, the rotor between the adjacent stator is wholely set.

Compared with prior art, advantageous effect possessed by the utility model is：

1, the excitation field mutually reinforced is formed between permanent magnet adjacent on each rotor of this more rail magneto, and The magnetic field force drive rotor rotation that the excitation field of permanent magnet end is generated with coil is utilized, due to the excitation of permanent magnet end Magnetic field intensity is big, to take full advantage of the excitation field of permanent magnet, since rotor is made of permeability magnetic material, avoids leakage field The generation of phenomenon, improves the energy transformation ratio of motor, motor it is efficient, rotor is rotated with permanent-magnet synchronous, is avoided and is cut The generation of magnetic induction line phenomenon is cut, and then avoids and generates induced current in rotor to hinder the rotation of rotor, reduces resistance, The startup of motor can be realized in the electric current that very little is passed through for coil.

2, the quantity of permanent magnet is equal on multiple rotors, and the quantity of multiple stator coils is also equal, to facilitate detection The phase of motor, and then conveniently to the control of current of electric.

3, there are two stators, and adjacent thereto two are arranged on another stator in the center line of the coil of a stator The middle part of coil, and the coaxial arrangement of opposite on multiple rotors permanent magnet, when detection only need when permanent magnet rotating to and coil Switching electric current when coaxial, it is easy to detect and easy to control.

4, stator includes spaced two insulating discs, can be avoided during permanent magnet and stator relatively rotate The movement of cutting magnetic induction line occurs, and then avoids generation induced current.

5, coil is air core coil, and induced current is generated when on the one hand avoiding cutting magnetic induction line, and then generates and hinder to turn The resistance of son rotation, and iron loss can be avoided, additionally it is possible to avoid the suction between permanent magnet and iron core from influencing the rotation of rotor.

6, the position of the permanent magnet of rotor is detected by code-disc, each stator corresponds to an optoelectronic switch, so as to Sense of current is replaced in time, avoids the occurrence of the power for hindering rotor rotation.

7, the both sides of each stator are symmetrical arranged there are one rotor, adjacent fixed to improve the torque of rotor rotation The rotor at sub- middle part is wholely set, and assembling is simple, simplifies assembly technology, is turned since each stator both sides are symmetrical arranged one Son, it is twice of the electrical power density of stator coil to make magnetic energy density, increases magnetic field utilization rate.

Description of the drawings

Fig. 1 is the dimensional structure diagram of more rail magnetos.

Fig. 2 is the main structure diagram of more rail magnetos.

Fig. 3 is the permanent magnet scheme of installation of the first mounting disc.

Fig. 4 is the schematic cross-sectional view in the directions A-A in Fig. 3.

Fig. 5 is the polarity distribution figure of the permanent magnet of the first mounting disc.

Fig. 6 is the permanent magnet scheme of installation of the second mounting disc.

Fig. 7 is the schematic cross-sectional view in the directions B-B in Fig. 6.

Fig. 8 is the dimensional structure diagram of stator.

Fig. 9 is the permanent magnet scheme of installation of the first mounting disc in embodiment 2.

In figure：1, main shaft 2, code-disc 3, the first mounting disc 301, the first mounting disc axis hole 302, the first mounting disc installation Hole 4, stator 5, the second mounting disc 501, the second mounting disc axis hole 502, the second mounting disc mounting hole 6, air core coil 7, Permanent magnet 8, insulating disc 801, insulating disc axis hole 802, insulating disc mounting hole.

Specific implementation mode

Fig. 1 ~ 8 are the most preferred embodiments of the utility model, and 1 ~ 9 pair of the utility model is done furtherly below in conjunction with the accompanying drawings It is bright.

A kind of more rail magnetos, including multiple rotors and multiple stators 4, there are one at least side settings of each stator 4 Rotor, and multiple rotors are connected and keep rotating synchronously, rotor is connected with phase detecting module；Rotor is made of permeability magnetic material, Even number of permanent magnets 7 is installed, rotor is provided with multiple mounting holes close to the side of stator 4, and mounting hole is and rotor on rotor Shaft blind hole disposed in parallel, permanent magnet 7 are embedded in mounting hole, 7 annular array of even number of permanent magnets and uniformly at intervals, adjacent The polarity of permanent magnet 7 is reversed；Multiple coils are provided on stator 4, the center line of each coil is flat with the shaft of rotor Row setting, multiple coils loops arrangement and uniformly at intervals, 7 institute of permanent magnet in annular and the rotor coordinated with it formed by coil At annular coaxial setting and diameter it is equal, the quantity of the quantity of 4 coil of stator and the permanent magnet 7 on the rotor coordinated with it It is equal；At least there are two the center lines of the adjacent coil on stator 4 to intersect with plane determined by rotor shaft, or at least There are two the permanent magnets 7 on 4 matched rotor of stator to be staggered.Adjacent permanent magnetism on each rotor of this more rail magneto The magnetic field that the excitation field for forming the excitation field mutually reinforced between body 7, and permanent magnet end being utilized is generated with coil Power drive rotor rotates, since the excitation field intensity of 7 end of permanent magnet is big, to take full advantage of the excitation magnetic of permanent magnet 7 , since rotor is made of permeability magnetic material, the generation of leakage field phenomenon is avoided, improves the energy transformation ratio of motor, motor It is efficient, the both sides of each stator 4 are symmetrical arranged there are one rotor, to improve the torque of rotor rotation, rotor with Permanent magnet 7 rotates synchronously, and avoids the generation of cutting magnetic induction line phenomenon, and then avoids and generate induced current in rotor to hinder The rotation for hindering rotor, reduces resistance, and the startup of motor can be realized in the electric current that very little is passed through for coil.

The utility model is described further with reference to specific embodiment, however persons familiar with the art should Solution, is to preferably explain here in connection with the detailed description that attached drawing provides, the structure of the utility model has necessarily had exceeded These embodiments of limit, and for some equivalents or common approach, it is no longer described in detail herein, but still fall within this The protection domain of application.

Embodiment 1

As shown in Figure 1 and 2：In the present embodiment, there are two stators 4 for setting, and the both sides of each stator 4 are symmetrically arranged with One rotor, the permanent magnet 7 in 4 both sides adjacent rotor of each stator correspond, two opposite permanent magnets 7 on two rotors It is coaxially disposed, the polarity of two opposite permanent magnets 7 is reversed, and is arranged between two stators 4 on two rotors two A rotor is wholely set, to simplify the packaging technology of motor.Two stators 4 are coaxially mounted in the casing of motor, are turned Son is coaxially mounted on main shaft 1, and main shaft 1 is rotatably installed in by bearing in casing, and main shaft 1 is coaxially disposed with casing, main Casing is stretched out in one end of axis 1, forms the output shaft of motor.Phase detecting module is arranged between casing and main shaft 1.Rotor with it is fixed 4 interval setting of son.

Phase detecting module includes code-disc 2 and photoelectric sensor, and photoelectric sensor is corresponded with stator 4, around code The outer of disk 2 is arranged at intervals with the test section of multiple evaginations, and photoelectric sensor is mounted on casing, and between two photoelectric sensors Every setting, so as to detect the position of permanent magnet 7 in different rotor.In the present embodiment, photoelectric sensor is correlation light Electric transducer so as to the timely switching electric current when coil turns to coaxial with permanent magnet 7 in adjacent rotor, and then avoids Current switching causes to generate the power for hindering rotor rotation not in time, to improve the energy conversion efficiency of motor.

As shown in Fig. 3 ~ 5：It includes the first mounting disc 3 that the rotor in 4 outside of each stator, which is arranged, and the first mounting disc 3 is circle The middle part of the iron pan of plate-like, the first mounting disc 3 is provided with the first mounting disc axis hole 301, and the first mounting disc 3 passes through the first mounting disc Axis hole 301 is mounted on main shaft 1 and is rotated synchronously with main shaft 1, and the first mounting disc 3 is coaxially disposed with main shaft 1, is reduced and was rotated Motor is caused to shake since the distribution of the weight of the first mounting disc 3 is uneven in journey, moreover it is possible to reduce energy loss.

One end of first mounting disc 3 is arranged at intervals with multiple first mounting disc mounting holes 302, the first mounting disc around axis Mounting hole 302 is the axis blind hole disposed in parallel with the first mounting disc 3.The cross section of first mounting disc mounting hole 302 is circle Shape, in the present embodiment, the cross section of permanent magnet 7 is also circle, the diameter of permanent magnet 7 and the first mounting disc mounting hole 302 Diameter is equal, and the deep equality of the length of permanent magnet 7 and the first mounting disc mounting hole 302, each first mounting disc mounting hole It is respectively mounted in 302 there are one permanent magnet 7, permanent magnet 7 is embedded in the first mounting disc mounting hole 302.In the present embodiment, first Mounting disc mounting hole 302 has ten uniformly at intervals.

Since permanent magnet 7 is embedded in the first mounting disc 3, the speed of excitation field distribution was both improved, has in turn avoided leaking The generation of magnetic phenomenon, to improve excitation field utilization rate, the first mounting disc 3 is rotated synchronously with permanent magnet 7, the first mounting disc 3 with permanent magnet 7 there is no relatively rotating, so as to avoid induced current is generated, by Lenz's theorem it is found that the application avoids the The resistance for hindering the first mounting disc 3 rotation is generated between one mounting disc 3 and permanent magnet 7.

Polarity in first mounting disc 3 between two adjacent permanent magnets 7 is reversed, so as to make the first mounting disc 3 On the excitation field of permanent magnet 7 mutually reinforce, the excitation field of multiple permanent magnets 7 forms the reinforcement excitation of a circular ring shape Magnetic field takes full advantage of excitation field intensity, and excitation field only only has very small part exposed in air, to very The good generation for avoiding leakage field phenomenon.In the present embodiment, permanent magnet 7 is cylindric, and columned permanent magnet 7 leans on proximal end The excitation field maximum intensity in portion, therefore the coil on stator can be good at utilizing 7 end excitation field intensity of permanent magnet big Characteristic, make full use of excitation field, that is, improve the efficiency of motor, but enable this more rail magneto utilize very little electricity Stream can start.The efficiency of motor refers to motor power conversion ratio, that is, the ratio of the electric energy of the kinetic energy and electrical consumption that export.

As shown in Fig. 6 ~ 7：The rotor being arranged between two stators 4 includes the second mounting disc 5, and the second mounting disc 5 is circle Columnar iron pan, the second mounting disc 5 are equal with the diameter of the first mounting disc 3.The middle part of second mounting disc 5 is coaxially arranged with Two mounting disc axis holes 501, the second mounting disc 5 are mounted on main shaft 1 and synchronouss with main shaft 1 turn by the second mounting disc axis hole 501 Dynamic, the second mounting disc 5 is coaxially disposed with main shaft 1, and the weight distribution reduced in rotation process due to the second mounting disc 5 is uneven Motor is caused to shake, moreover it is possible to reduce energy loss.

The both ends of second mounting disc 5 are provided with multiple second mounting disc mounting holes 502 around axis, and setting is in the second peace The second mounting disc mounting hole 502 at 5 both ends of sabot corresponds, and the second mounting disc installation that 5 both ends of the second mounting disc are opposite Hole 502 is coaxially disposed, and the second mounting disc mounting hole 502 is the blind hole being coaxially disposed with the second mounting disc 5.Second mounting disc is installed Hole 502 is also cylindrical bore, and the diameter of the second mounting disc mounting hole 502 is equal with the diameter of permanent magnet 7, the second mounting disc peace The equal length of the depth and permanent magnet 7 in hole 502 is filled, and the both ends of the second mounting disc 5 there are ten second installations uniformly at intervals Disk mounting hole 502 is respectively mounted in each second mounting disc mounting hole 502 there are one permanent magnet 7, and permanent magnet 7 is embedded in the second peace In sabot mounting hole 502.First mounting disc mounting hole 302 and the second mounting disc mounting hole 502 are collectively referred to as mounting hole.Second installation The axis of disk mounting hole 502 is pacified to the distance of the axis of the second mounting disc 5 and the axis of the first mounting disc mounting hole 302 to first The distance of the axis of sabot 3 is equal.The quantity and first of the second mounting disc mounting hole 502 on second mounting disc, 5 each end face The quantity of first mounting disc mounting hole 302 is equal in mounting disc 3.Permanent magnet 7 in first mounting disc 3 and second corresponding thereto Permanent magnet 7 in mounting disc 5 is coaxially disposed.

Since permanent magnet 7 is embedded in the second mounting disc 5, the speed of excitation field distribution was both improved, has in turn avoided leaking The generation of magnetic phenomenon, to improve excitation field utilization rate, the second mounting disc 5 is rotated synchronously with permanent magnet 7, the second mounting disc 5 with permanent magnet 7 there is no relatively rotating, so as to avoid induced current is generated, by Lenz's theorem it is found that the application avoids the The resistance for hindering the second mounting disc 5 rotation is generated between two mounting discs 5 and permanent magnet 7.It can be real using second mounting disc 5 The installation of two groups of permanent magnets 7 is showed, assembling is simple, reduces assembly difficulty.

The polarity being arranged between the two adjacent permanent magnets 7 of 5 the same end of the second mounting disc is reversed, so as to make The excitation field of permanent magnet 7 in second mounting disc 5 is mutually reinforced, and the excitation field of multiple permanent magnets 7 forms an annulus The reinforcement excitation field of shape, takes full advantage of excitation field intensity, and excitation field only only have very small part it is exposed In air, to avoid the generation of leakage field phenomenon well.In the present embodiment, permanent magnet 7 be it is cylindric, it is columned forever The excitation field maximum intensity by close end of magnet 7, therefore the coil on stator can be good at encouraging using 7 end of permanent magnet The big characteristic of magnetic magnetic field intensity makes full use of excitation field, that is, improves the efficiency of motor, and enables this more rail magneto It can be started using the electric current of very little.The efficiency of motor refers to motor power conversion ratio, that is, the kinetic energy exported and electrical consumption The ratio of electric energy.

As shown in Figure 8：Stator 4 includes spaced two insulating discs 8, and two intervals of insulating disc 8 are arranged, and each exhausted The middle part of edge disk 8 is coaxially arranged with insulating disc axis hole 801, and insulating disc 8 is coaxially mounted on casing, and passes through insulating disc axis hole 801 are set in outside main shaft 1, and insulating disc 8 is relatively rotated with main shaft 1 to be arranged.On insulating disc 8 around axis have uniformly at intervals ten absolutely Edge disk mounting hole 802, two insulating discs 8 are coaxially disposed, and insulating disc mounting hole 802 opposite on two insulating discs 8 is coaxially set It sets.Ten coils are provided on each stator 4, are respectively mounted in the insulating disc mounting hole 802 of each insulating disc 8 there are one coil, In the present embodiment, coil is air core coil 6, and the both ends of air core coil 6 are separately mounted to two opposite insulating discs of insulating disc 8 In mounting hole 802.When permanent magnet 7 and insulating disc 8 relatively rotate, induced current is not will produce in insulating disc 8, to produce The raw resistance for hindering rotor rotation, coil are air core coil 6, and iron loss is not present, and can prevent induced current into And the power for hindering rotor rotation is generated, and then the efficiency of motor is improved, and also electric motor starting is simple, is using the electric current of very little It can be achieved to start, additionally it is possible to eliminate the rotation that permanent magnet 7 hinders rotor with the suction of iron core.Each insulating disc mounting hole 802 The distance of axis to the axis of insulating disc 8 is equal at a distance from the axis of first the 302 to the first mounting disc of mounting disc mounting hole 3. Since air core coil 6 is mounted on insulating disc 8, so there is no the interference of the factors such as iron loss, vortex, magnetic hysteresis, magnetic damping and shadows It rings, and electrical power density is big, the magnetic energy density that permanent magnet 7 generates is identical, and energy conversion maximizes.What air core coil 6 referred to It is the coil that middle part is not provided with iron core, and it is whether hollow unrelated with insulation framework.Stator 4 can also use other non-magnet materials It is made.

The distance between permanent magnet 7 is less than on air core coil 6 and the first mounting disc 3 adjacent thereto on each stator 4 The distance between adjacent permanent magnet 7 in first mounting disc 3, the air core coil 6 on each stator 4 and the adjacent thereto second installation The distance between permanent magnet 7 is less than the distance between adjacent permanent magnet 7 in the second mounting disc 5 on disk 5.It is adjacent with each stator 4 The first mounting disc 3 and the second mounting disc 5 on the distance between opposite permanent magnet 7 be more than the first mounting disc 3 or second and install The distance between adjacent permanent magnet 7 on disk 5.It is each so as to ensure since the magnetic line of force can be propagated along apart from shortest channel The excitation field being overlapped mutually is formed in first mounting disc 3 or the second mounting disc 5, and when air core coil 6 is powered, tubular wire Enclosing the magnetic line of force of the adjacent permanent magnet 7 in 6 sides can conduct along air core coil 6 to 6 other side of air core coil permanent magnetism adjacent thereto Body 7 keeps the torque of rotor maximum to keep the electromagnetic force between permanent magnet 7 and air core coil 6 maximum.4 both sides phase of each stator The polarity of opposite permanent magnet 7 is on the contrary, so as to make 6 both ends of air core coil while being driven power on adjacent rotor.

In the present embodiment, the axis of upper adjacent coil 6 of two stators 4 and plane determined by the axis of main shaft 1 Angle be 18 °, i.e., 360 ° with the quantity of the air core coil 6 on two stators 4 and ratio.Stator 4 can also be arranged 12, 14 or eight.

The speed probe for detecting 1 rotating speed of main shaft is also equipped on casing, speed probe is connected with control module, To form closed-loop control, make the stabilization of speed of main shaft 1.

A kind of control method of above-mentioned more rail magnetos, the stator 4 in left side is the first stator in Figure of description 2, right The stator 4 of side is the second stator.

Control method includes the following steps：

Phase detecting module detects the position of permanent magnet 7 on two stators 4；

Code-disc 2 is rotated synchronously with main shaft 1, and the position of permanent magnet 7 is detected by the photoelectric sensor on casing, and Signal is uploaded to control module, in the present embodiment, control module is microcontroller.

The all coils of one stator 4 access the electric current of the same direction, another stator 4 power-off, with 4 phase of energization stator When permanent magnet 7 on adjacent rotor is coaxial with coil, the stator of energization powers off, what all coils of another stator 4 were passed through The identical electric current in direction, each stator 4 it is adjacent twice be powered when current direction it is opposite.

All air core coils 6 of first stator access the electric current of the same direction, while the second stator cuts off electric current, main shaft 1 rotation, when turn to the permanent magnet 7 of the adjacent rotor of the first stator it is coaxial with air core coil 6 on the first stator when, first determines Son power-off, the second stator access electric current.When turn to the permanent magnet 7 of the adjacent rotor of the second stator with it is hollow in adjacent rotor When coil 6 is coaxial, the power-off of the second stator, the first stator accesses electric current, and current direction is opposite with the current direction of last time；When again When the secondary permanent magnet 7 for turning to the adjacent rotor of the first stator is coaxial with air core coil 6 on the first stator, the first stator is disconnected Electricity, the second stator access electric current, and current direction with last time sense of current on the contrary, simultaneously recycle successively, realization electric machine main shaft 1 Lasting rotation, additionally it is possible to which realization avoids the problem that cutting magnetic induction line occurs in air core coil 6.It is coaxial in air core coil 6 and permanent magnet 7 When cut off electric current, air core coil 6 can be avoided to play the role of magnetic conduction, and then from avoiding the occurrence of air core coil 6 and cutting magnetic induction line occur The phenomenon that, resistance is small in rotor rotation process.The magnetic force of permanent magnet 7 is stronger, and the efficiency of motor is higher, and conventional permanent magnet motor There are one optimum values for the magnetic force of permanent magnet 7, and the magnetic force of permanent magnet 7, which is more than or less than optimum value, can all lead to conventional permanent magnet motor Efficiency reduce, and as the difference of 7 magnetic force of permanent magnet and optimum value is bigger, efficiency reduces more.

In the present embodiment, the switching mode of electric current is as shown in the table：

。

The experimental data of the motor is as follows：

。

As seen from the above table, the efficiency minimum 93.8%, up to 99% of more rail magnetos of the application, efficiency carries significantly Height, and be 0.1V, electric current 0.7A in motor, in the case that power is 0.07W, power is that the motor of 15KW brings into operation.

Embodiment 2

As shown in Figure 9：Embodiment 2 and embodiment 1 difference lies in：Fan-shaped cross section for permanent magnet 7.And the present embodiment In, there are three the settings of stator 4.

Embodiment 3

Embodiment 3 and embodiment 1 difference lies in：There are one the second mounting disc 5, the second peaces for setting between two stators 4 The both ends of sabot 5 are embedded with permanent magnet 7, and the outside of each stator 4 is coaxially disposed there are one iron pan, the diameter of iron pan and the The diameter of two mounting discs 5 is equal.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real Any simple modification, equivalent variations and remodeling, still fall within the guarantor of technical solutions of the utility model made by confrontation above example Protect range.

Claims (9)

1. a kind of more rail magnetos, it is characterised in that：Including multiple rotors and multiple stators（4）, each stator（4）At least one There are one rotors for side setting, and multiple rotors are connected and keep rotating synchronously, and rotor is connected with phase detecting module；

Rotor is made of permeability magnetic material, and even number of permanent magnets is equipped on rotor（7）, rotor is close to stator（4）Side setting There are multiple mounting holes, mounting hole is and rotor shaft blind hole disposed in parallel, permanent magnet（7）It is embedded in mounting hole, even number Permanent magnet（7）Annular array and uniformly at intervals, adjacent permanent magnet（7）Polarity be reversed；

Stator（4）On be provided with multiple coils, the center line of each coil is arranged in parallel with the shaft of rotor, multiple coil loops Shape arranges and uniformly at intervals, the permanent magnet in annular and the rotor that coordinates with it formed by coil（7）Formed annular coaxial is set It sets and diameter is equal, stator（4）Permanent magnet in the quantity of coil and the rotor coordinated with it（7）Quantity it is equal；

At least there are two stators（4）On the center line of adjacent coil intersect with plane determined by rotor shaft, or extremely It is few that there are two stators（4）Permanent magnet on matched rotor（7）It is staggered.

2. more rail magnetos according to claim 1, it is characterised in that：Permanent magnet on multiple rotors（7）'s Quantity is equal, multiple stators（4）On coil equal quantity it is equal.

3. more rail magnetos according to claim 2, it is characterised in that：The stator（4）There are two, and a stator （4）Coil center line be arranged in another stator（4）The middle part of upper two coils adjacent thereto, and phase on multiple rotors To permanent magnet（7）Coaxial arrangement.

4. according to the more rail magnetos of claim 1 ~ 3 any one of them, it is characterised in that：The stator（4）Including interval Two insulating discs being arranged（8）, each insulating disc（8）On be arranged at intervals with multiple axial insulating disc mounting holes（802）, two A insulating disc（8）Upper opposite insulating disc mounting hole（802）Coaxial arrangement, insulating disc mounting hole（802）It is corresponded with coil, The both ends of coil are separately mounted to two insulating discs（8）Insulating disc mounting hole（802）It is interior.

5. more rail magnetos according to claim 1, it is characterised in that：The coil is air core coil（6）.

6. according to the more rail magnetos of claim 1 ~ 3 any one of them, it is characterised in that：The permanent magnet（7）For with turn Disposed in parallel cylindric or parallel with rotor shaft with the center line fan-shaped cylinder of sub- shaft.

7. more rail magnetos according to claim 1, it is characterised in that：The phase detecting module includes code-disc（2） And photoelectric sensor, code-disc（2）It is connected with rotor and keeps rotating synchronously, optoelectronic switch is arranged in code-disc（2）Side, and light Electric switch is corresponded with stator.

8. more rail magnetos according to claim 1, it is characterised in that：Each stator（4）Both sides are symmetrically set Rotor there are one setting, stator（4）Permanent magnet in the adjacent rotor of both sides（7）It corresponds, opposite two forever on two rotors Magnet（7）It is coaxially disposed, two opposite permanent magnets on two rotors（7）Polarity be reversed.

9. more rail magnetos according to claim 8, it is characterised in that：The adjacent stator（4）Between rotor one Body is arranged.